Showing posts with label Aggregates. Show all posts
Showing posts with label Aggregates. Show all posts
Tuesday, February 21, 2017
Aggregates
-Fine Aggregates (¼” or 6.4mm) - Sand
-Coarse Aggregates (Larger than ¼” & less than 3”) - Gravel
-Bulk of solid volume of concrete is composed of Aggregates
-Water Cementitious Material matrix binds the aggregate together & through the hydration of cement the mass becomes a solid
-Concrete Mass can be no stronger than the aggregates
-Aggregates should be stronger
-If aggregates have planes of weakness or are soft then the matrix cannot provide full strength to the hardened concrete
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